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Test Code SAPREP Wet Prep Exam, Sexual Assault, Vaginal Fluid, LAB2787


Slides are Made from Vaginal Swabs or Wash, then Examined Microscopically for the Presence of Sperm, and if Present, their Motility and Form (Normal or Abnormal)

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

A complete chain-of-custody protocol must be maintained when collecting and handling chain-of-custody specimens.


Submit a vaginal swab that has been collected and placed in tube containing 0.5 mL to 1 mL of sterile saline. Maintain sterility and forward promptly.

Note: For judicial value a completed Chain-of-Custody Form is required when processing a chain-of-custody specimen.

Reference Values

No sperm present

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding